Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 52, NWS La Crosse, WI
NWS La Crosse, WI issued this severe thunderstorm warning at Jul 27, 2021, 8:17 AM CDT for La Crosse County, Vernon County, Wisconsin; Houston County, Minnesota. It was in force for 58 min. 8 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 27, 2021, 8:17 AM CDT (13:17 UTC)
- Expired
- Jul 27, 2021, 9:15 AM CDT
- In force
- 58 min
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Houston County, MN, La Crosse County, WI, Vernon County, WI
The radar
The La Crosse radar (KARX), 15 km from the middle of the area, began a volume at 13:20 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 27, 8:17 AM CDT | HAIL 1 | 1 W La Crescent, MN | |
| Jul 27, 8:17 AM CDT | HAIL 1.25 | La Crescent, MN | |
| Jul 27, 8:35 AM CDT | HAIL 1 | 4 Sse La Crosse, WI | TIME ESTIMATED FROM RADAR. |
| Jul 27, 8:36 AM CDT | HAIL 0.7 | French Island, WI | |
| Jul 27, 8:40 AM CDT | HAIL 1 | 1 Ene Stoddard, WI | TIME ESTIMATED FROM RADAR. |
| Jul 27, 8:42 AM CDT | HAIL 1 | 5 Nne Stoddard, WI | REPORT FROM MPING. |
| Jul 27, 8:47 AM CDT | HAIL 0.5 | 5 Ne Stoddard, WI | |
| Jul 27, 8:56 AM CDT | HAIL 0.75 | 6 Sse La Crosse, WI | REPORT FROM MPING. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 1.3 hours before the alert went out and 230 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1804 J/kg
- Mixed-layer CIN
- -164 J/kg
- Mixed-layer LCL
- 1099 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 267 m²/s²
- 0-3 km storm-relative helicity
- 314 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.6
The text
As transmitted.
659
WUUS53 KARX 271317
SVRARX
MNC055-WIC063-123-271415-
/O.NEW.KARX.SV.W.0052.210727T1317Z-210727T1415Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service La Crosse WI
817 AM CDT Tue Jul 27 2021
The National Weather Service in La Crosse has issued a
* Severe Thunderstorm Warning for...
Northeastern Houston County in southeastern Minnesota...
South central La Crosse County in west central Wisconsin...
Western Vernon County in southwestern Wisconsin...
* Until 915 AM CDT.
* At 816 AM CDT, a severe thunderstorm was located over La Crescent,
moving southeast at 30 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
* This severe thunderstorm will be near...
Brownsville around 830 AM CDT.
Stoddard around 835 AM CDT.
Other locations impacted by this severe thunderstorm include Brinkman
Ridge, Irish Hill, North Side Of La Crosse, South Side Of La Crosse,
Esofea, Goose Island and Red Mound.
This includes Interstate 90 in Wisconsin between mile markers 1 and
4.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4342 9116 4380 9144 4385 9134 4385 9129
4386 9130 4390 9123 4343 9075
TIME...MOT...LOC 1316Z 330DEG 28KT 4380 9129
HAIL...1.00IN
WIND...<50MPH
$$
JSB4 follow-up statements
817
WWUS53 KARX 271323
SVSARX
Severe Weather Statement
National Weather Service La Crosse WI
823 AM CDT Tue Jul 27 2021
MNC055-WIC063-123-271415-
/O.CON.KARX.SV.W.0052.000000T0000Z-210727T1415Z/
Houston MN-La Crosse WI-Vernon WI-
823 AM CDT Tue Jul 27 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 AM CDT
FOR NORTHEASTERN HOUSTON...SOUTH CENTRAL LA CROSSE AND WESTERN VERNON
COUNTIES...
At 822 AM CDT, a severe thunderstorm was located near Hokah, or near
La Crescent, moving southeast at 30 mph.
HAZARD...Quarter size hail.
SOURCE...Public reported quarter size just west of La Crescent at
817 AM CDT.
IMPACT...Damage to vehicles is expected.
This severe storm will be near...
Brownsville around 835 AM CDT.
Stoddard around 840 AM CDT.
Other locations impacted by this severe thunderstorm include Brinkman
Ridge, Irish Hill, North Side Of La Crosse, South Side Of La Crosse,
Esofea, Goose Island and Red Mound.
This includes Interstate 90 in Wisconsin between mile markers 1 and
4.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4342 9116 4380 9144 4385 9134 4385 9129
4386 9130 4390 9123 4343 9075
TIME...MOT...LOC 1322Z 331DEG 26KT 4378 9129
HAIL...1.00IN
WIND...<50MPH
$$
JSB611 WWUS53 KARX 271332 SVSARX Severe Weather Statement National Weather Service La Crosse WI 832 AM CDT Tue Jul 27 2021 MNC055-WIC063-123-271415- /O.CON.KARX.SV.W.0052.000000T0000Z-210727T1415Z/ Houston MN-La Crosse WI-Vernon WI- 832 AM CDT Tue Jul 27 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 AM CDT FOR NORTHEASTERN HOUSTON...SOUTH CENTRAL LA CROSSE AND WESTERN VERNON COUNTIES... At 832 AM CDT, a severe thunderstorm was located near Brownsville, or near La Crosse, moving southeast at 30 mph. HAZARD...Quarter size hail. SOURCE...Public. IMPACT...Damage to vehicles is expected. This severe storm will be near... Stoddard around 840 AM CDT. Other locations impacted by this severe thunderstorm include Brinkman Ridge, South Side Of La Crosse, Goose Island, Red Mound, Runge Hollow, County Roads B And Y and Folsom. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4342 9116 4378 9136 4383 9122 4343 9075 TIME...MOT...LOC 1332Z 328DEG 27KT 4373 9123 HAIL...1.00IN WIND...<50MPH $$ JSB
667 WWUS53 KARX 271357 SVSARX Severe Weather Statement National Weather Service La Crosse WI 857 AM CDT Tue Jul 27 2021 MNC055-WIC063-123-271415- /O.CON.KARX.SV.W.0052.000000T0000Z-210727T1415Z/ Houston MN-La Crosse WI-Vernon WI- 857 AM CDT Tue Jul 27 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 AM CDT FOR NORTHEASTERN HOUSTON...SOUTH CENTRAL LA CROSSE AND WESTERN VERNON COUNTIES... At 856 AM CDT, a severe thunderstorm was located over Stoddard, or 10 miles south of La Crosse, moving southeast at 20 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. This severe storm will be near... Viroqua around 935 AM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4342 9116 4378 9136 4383 9122 4343 9075 TIME...MOT...LOC 1356Z 317DEG 19KT 4368 9117 HAIL...1.00IN WIND...<50MPH $$ JSB
853 WWUS53 KARX 271359 SVSARX Severe Weather Statement National Weather Service La Crosse WI 859 AM CDT Tue Jul 27 2021 MNC055-WIC063-123-271415- /O.CON.KARX.SV.W.0052.000000T0000Z-210727T1415Z/ Houston MN-La Crosse WI-Vernon WI- 859 AM CDT Tue Jul 27 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 AM CDT FOR NORTHEASTERN HOUSTON...SOUTH CENTRAL LA CROSSE AND WESTERN VERNON COUNTIES... At 859 AM CDT, a severe thunderstorm was located near Stoddard, or 11 miles south of La Crosse, moving southeast at 20 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. This severe storm will be near... Viroqua around 935 AM CDT. Other locations impacted by this severe thunderstorm include Brinkman Ridge, South Side Of La Crosse, Goose Island, Red Mound, Runge Hollow, County Roads B And Y and Folsom. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4342 9116 4378 9136 4383 9122 4343 9075 TIME...MOT...LOC 1359Z 317DEG 19KT 4367 9115 HAIL...1.00IN WIND...<50MPH $$ JSB
The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 26, 10:24 PM CDT | Special Weather Statement | ARX | Taylor | 66 min |
| Jul 27, 1:49 AM CDT | Special Weather Statement | ARX | Taylor | 56 min |
| Jul 27, 2:45 AM CDT | Special Weather Statement | ARX | Taylor | 60 min |
| Jul 27, 6:34 AM CDT | Special Weather Statement | ARX | Clark | 56 min |
| Jul 27, 7:01 AM CDT | Special Weather Statement | ARX | Trempealeau | 59 min |
| Jul 27, 7:08 AM CDT | Special Weather Statement | ARX | Clark | 67 min |
| Jul 27, 7:33 AM CDT | Severe Thunderstorm Warning | ARX | Jackson, Monroe | 57 min |
| Jul 27, 8:36 AM CDT | Special Weather Statement | ARX | Juneau | 54 min |
| Jul 27, 9:16 AM CDT | Severe Thunderstorm Warning | ARX | Crawford, Vernon | 28 min |
| Jul 27, 11:54 AM CDT | Severe Thunderstorm Warning | ARX | Jackson, La Crosse, Trempealeau | 51 min |
| Jul 27, 12:00 PM CDT | Severe Thunderstorm Warning | ARX | Jackson, La Crosse, Trempealeau | 45 min |
| Jul 27, 3:10 PM CDT | Heat Advisory | ARX | Buffalo, Crawford, Grant, Jackson, La Crosse, Monroe and 3 more | 30 hr |
| Jul 27, 2:26 PM CDT | Special Weather Statement | ARX | Houston | 34 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 2021Severe Thunderstorm Warnings in Minnesota, 2021Every severe thunderstorm warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.